finally merged

1 files changed, 82 insertions, 15 deletions

diff --git a/src/client/util/DragManager.ts b/src/client/util/DragManager.ts
index eb4b3aeaa..513a6ac9e 100644
--- a/src/client/util/DragManager.ts
+++ b/src/client/util/DragManager.ts
@@ -1,4 +1,39 @@
 import { DocumentDecorations } from "../views/DocumentDecorations";
+import { CollectionDockingView } from "../views/collections/CollectionDockingView";
+import { Document } from "../../fields/Document"
+import { action } from "mobx";
+import { DocumentView } from "../views/nodes/DocumentView";
+import { ImageField } from "../../fields/ImageField";
+import { KeyStore } from "../../fields/KeyStore";
+
+export function setupDrag(_reference: React.RefObject<HTMLDivElement>, docFunc: () => Document) {
+    let onRowMove = action((e: PointerEvent): void => {
+        e.stopPropagation();
+        e.preventDefault();
+
+        document.removeEventListener("pointermove", onRowMove);
+        document.removeEventListener('pointerup', onRowUp);
+        DragManager.StartDrag(_reference.current!, { document: docFunc() });
+    });
+    let onRowUp = action((e: PointerEvent): void => {
+        document.removeEventListener("pointermove", onRowMove);
+        document.removeEventListener('pointerup', onRowUp);
+    });
+    let onItemDown = (e: React.PointerEvent) => {
+        // if (this.props.isSelected() || this.props.isTopMost) {
+        if (e.button == 0) {
+            e.stopPropagation();
+            if (e.shiftKey) {
+                CollectionDockingView.Instance.StartOtherDrag(docFunc(), e);
+            } else {
+                document.addEventListener("pointermove", onRowMove);
+                document.addEventListener('pointerup', onRowUp);
+            }
+        }
+        //}
+    }
+    return onItemDown;
+}
 
 export namespace DragManager {
     export function Root() {
@@ -61,7 +96,7 @@ export namespace DragManager {
         };
     }
 
-    export function StartDrag(ele: HTMLElement, dragData: { [id: string]: any }, options: DragOptions) {
+    export function StartDrag(ele: HTMLElement, dragData: { [id: string]: any }, options?: DragOptions) {
         DocumentDecorations.Instance.Hidden = true;
         if (!dragDiv) {
             dragDiv = document.createElement("div");
@@ -72,53 +107,83 @@ export namespace DragManager {
         const scaleX = rect.width / w, scaleY = rect.height / h;
         let x = rect.left, y = rect.top;
         // const offsetX = e.x - rect.left, offsetY = e.y - rect.top;
+
         let dragElement = ele.cloneNode(true) as HTMLElement;
         dragElement.style.opacity = "0.7";
         dragElement.style.position = "absolute";
+        dragElement.style.bottom = "";
+        dragElement.style.left = "";
         dragElement.style.transformOrigin = "0 0";
         dragElement.style.zIndex = "1000";
         dragElement.style.transform = `translate(${x}px, ${y}px) scale(${scaleX}, ${scaleY})`;
         dragElement.style.width = `${rect.width / scaleX}px`;
         dragElement.style.height = `${rect.height / scaleY}px`;
-        // It seems like the above code should be able to just be this:
-        // dragElement.style.transform = `translate(${x}px, ${y}px)`;
-        // dragElement.style.width = `${rect.width}px`;
-        // dragElement.style.height = `${rect.height}px`;
+
+        // bcz: PDFs don't show up if you clone them because they contain a canvas.
+        //      however, PDF's have a thumbnail field that contains an image of their canvas.
+        //      So we replace the pdf's canvas with the image thumbnail
+        const docView: DocumentView = dragData["documentView"];
+        const doc: Document = docView ? docView.props.Document : dragData["document"];
+        var pdfBox = dragElement.getElementsByClassName("pdfBox-cont")[0] as HTMLElement;
+        let thumbnail = doc.GetT(KeyStore.Thumbnail, ImageField);
+        if (pdfBox && pdfBox.childElementCount && thumbnail) {
+            let img = new Image();
+            img!.src = thumbnail.toString();
+            img!.style.position = "absolute";
+            img!.style.width = `${rect.width / scaleX}px`;
+            img!.style.height = `${rect.height / scaleY}px`;
+            pdfBox.replaceChild(img!, pdfBox.children[0])
+        }
+
         dragDiv.appendChild(dragElement);
 
         let hideSource = false;
-        if (typeof options.hideSource === "boolean") {
-            hideSource = options.hideSource;
-        } else {
-            hideSource = options.hideSource();
+        if (options) {
+            if (typeof options.hideSource === "boolean") {
+                hideSource = options.hideSource;
+            } else {
+                hideSource = options.hideSource();
+            }
         }
         const wasHidden = ele.hidden;
         if (hideSource) {
             ele.hidden = true;
         }
-
         const moveHandler = (e: PointerEvent) => {
             e.stopPropagation();
             e.preventDefault();
             x += e.movementX;
             y += e.movementY;
+            if (e.shiftKey) {
+                abortDrag();
+                CollectionDockingView.Instance.StartOtherDrag(doc, { pageX: e.pageX, pageY: e.pageY, preventDefault: () => { }, button: 0 });
+            }
             dragElement.style.transform = `translate(${x}px, ${y}px) scale(${scaleX}, ${scaleY})`;
         };
-        const upHandler = (e: PointerEvent) => {
+
+        const abortDrag = () => {
             document.removeEventListener("pointermove", moveHandler, true);
             document.removeEventListener("pointerup", upHandler);
-            FinishDrag(dragElement, e, options, dragData);
+            dragDiv.removeChild(dragElement);
             if (hideSource && !wasHidden) {
                 ele.hidden = false;
             }
+        }
+        const upHandler = (e: PointerEvent) => {
+            abortDrag();
+            FinishDrag(ele, e, dragData, options);
         };
         document.addEventListener("pointermove", moveHandler, true);
         document.addEventListener("pointerup", upHandler);
     }
 
-    function FinishDrag(dragEle: HTMLElement, e: PointerEvent, options: DragOptions, dragData: { [index: string]: any }) {
-        dragDiv.removeChild(dragEle);
+    function FinishDrag(dragEle: HTMLElement, e: PointerEvent, dragData: { [index: string]: any }, options?: DragOptions) {
+        let parent = dragEle.parentElement;
+        if (parent)
+            parent.removeChild(dragEle);
         const target = document.elementFromPoint(e.x, e.y);
+        if (parent)
+            parent.appendChild(dragEle);
         if (!target) {
             return;
         }
@@ -130,7 +195,9 @@ export namespace DragManager {
                 data: dragData
             }
         }));
-        options.handlers.dragComplete({});
+        if (options) {
+            options.handlers.dragComplete({});
+        }
         DocumentDecorations.Instance.Hidden = false;
     }
 }
\ No newline at end of file